Patents by Inventor Edward Sittner

Edward Sittner has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 3958537
    Abstract: There is herein disclosed oil and insecticide dispensing apparatus for livestock comprising a one-piece plastic valve housing frictionally retained in a mounting wall with an outlet opening in a rounded end wall cooperably receiving a one-piece plastic spring biased valve plunger movable by animal contact between a closed position and an open position relative to the outlet opening and sealed within the housing of an O-ring made of fluorocarbon plastic material.
    Type: Grant
    Filed: June 6, 1973
    Date of Patent: May 25, 1976
    Assignee: Sittner Manufacturing Co., Inc.
    Inventor: Edward Sittner